Home / 441,500.04-609,283.08-312,669

Finding the Fourth Proportional to 441,500.04, 609,283.08 and 312,669

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Solution

The fourth proportional to 441,500.04, 609,283.08 and 312,669 is: 431,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,500.04 : 609,283.08 = 312,669 : x
  2. Step 2: Convert to fraction form
    441,500.04/609,283.08 = 312,669/x
  3. Step 3: Cross multiply
    441,500.04x = 609,283.08 × 312,669
  4. Step 4: Simplify right side
    441,500.04x = 190,503,931,340.52
  5. Step 5: Solve for x
    x = 190,503,931,340.52/441,500.04
  6. Step 6: Final answer
    x = 431,492.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.